package com.zdsoft.wms.filter;


import com.zdsoft.wms.utils.CookieUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;
@WebFilter(urlPatterns = "/*", filterName = "Filter")
@Component
@Slf4j
public class TokenFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequestWrapper wrapper=new HttpServletRequestWrapper((HttpServletRequest) servletRequest){
            @Override
            public String getHeader(String name) {
                String superHeader = super.getHeader(name);
                if ("X-Token".equals(name)&&StringUtils.isEmpty(superHeader)){
                    return  CookieUtil.readLoginToken((HttpServletRequest) servletRequest);
                }
                return super.getHeader(name);
            }
        };



        log.info("--------------------filter-------------------");
        filterChain.doFilter(wrapper,servletResponse);
    }

    @Override
    public void destroy() {

    }
}
